Dayco 87654 HVAC Heater Hose

Overview of Dayco Small I.D. Heater Hose 87654

The Dayco Small I.D. Heater Hose 87654 is designed for reliable HVAC system performance in select Dodge, Ford, Mazda, Mercury, and Mitsubishi vehicles. Engineered with durable EPDM material and a protective sleeve, this hose ensures consistent heat transfer and long service life.

• Constructed from high-quality EPDM for heat and chemical resistance
• Black color with 5/8 inch inside diameter on both ends
• Single I.D. hose type with protective sleeve included
• Meets SAE J20R3 Class D-1 and SAE J1684 Type EC specifications
• Compatible with multiple models including Dodge Ram 1500 Van and Ford Expedition

Dayco Small I.D. Heater Hose Product Line Details

The Small I.D. Heater Hose line by Dayco focuses on delivering precise fit and durability for HVAC applications requiring smaller inside diameter hoses. This product line emphasizes compliance with SAE standards and includes features like protective sleeves to enhance hose longevity. The 87654 part number is a representative example, offering a balance of flexibility and resistance suitable for various vehicle heating systems.

Product Description and Specifications

This HVAC heater hose is made from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and automotive fluids. Both ends of the hose have a 5/8 inch inside diameter, making it a single I.D. hose suitable for specific HVAC connections. The hose is black and includes a protective sleeve to guard against abrasion and environmental damage, although it does not contain a heat shield. It meets SAE J20R3 Class D-1 and SAE J1684 Type EC standards, ensuring it adheres to industry requirements for heater hoses.

Applications and Common Issues Addressed

• Replacement of worn or cracked heater hoses in Dodge Ram 2500 Van and Ford Expedition HVAC systems
• Resolving coolant leaks caused by hose degradation in Mazda Protege and Mercury Tracer models
• Maintaining proper heater core function in Mitsubishi Diamante and Ford B-series trucks
• Preventing overheating issues related to faulty heater hose connections
• Ensuring HVAC system reliability in Dodge B1500 and B3500 vehicles

Installation Notes and Tips

• Verify hose inside diameter matches vehicle specifications before installation
• Inspect hose ends and clamps for secure fit to prevent leaks
• Ensure protective sleeve remains intact during installation to maintain abrasion resistance
• Replace heater hose as part of routine HVAC maintenance to avoid unexpected failures
• Consult vehicle service manual for specific routing and connection points

Quality Assurance and Warranty

Dayco Small I.D. Heater Hose 87654 is manufactured to meet SAE standards, providing assurance of material quality and performance. The EPDM construction and protective sleeve contribute to durability under typical operating conditions. Warranty details should be confirmed with the original equipment manufacturer or supplier, as they may vary by application and region.